On the derivation of entropy conserving equations for commuting macroobservables

O Seeberg

Physica A: Statistical Mechanics and its Applications, 1979, vol. 95, issue 3, 581-596

Abstract: Let Ũ be a local equlibrium ensemble, {Oi} a set of commuting observables and B a linear operator with the following properties: 1.1) Tr(BŨOi)=ddt〈Oi〉, 〈Oi〉=Tr(ŨOi).2.2) These equations are entropy conserving for every Ũ. Then Tr(BŨOi)=0, and hence the Euler equations of fluid dynamics cannot be derived.

Date: 1979
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:95:y:1979:i:3:p:581-596

DOI: 10.1016/0378-4371(79)90034-7

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